JP2002139333A - Navigation device and system thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-vehicle navigation device and a system therefor for obtaining a suitable place for meeting to enable one's own vehicle and the other vehicle to wait upon. SOLUTION: This navigation device comprises a present position detecting means 102 for detecting the present position of oneself, a communication means 108 for receiving present position information of the other person, an other person position storing means 103 for storing the present position information of the other person, a merging position calculating means 104 for calculating a merging position between both of oneself and the other person, on the basis of the present position information of the other person and present position information of oneself, and a presenting means 107 for presenting the location for meeting.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle navigation device, and more particularly to an on-vehicle navigation device for transmitting / receiving a vehicle position and another vehicle position using wireless communication means, and a system therefor.

[0002]

2. Description of the Related Art Conventionally, in this type of technology, when exchanging travel position information with a moving body of another vehicle, the traveling position of the moving body is automatically recognized as a moving destination and the moving position is determined. There is one that searches for a recommended route to a destination (Japanese Patent Laid-Open No. 11-101648).

[0003] According to this technique, it is possible to join another vehicle based on the positional relationship between the own vehicle position and the other vehicle position on the map.

[0004]

However, in the above-mentioned prior art, since a person must determine the waiting position by himself / herself from the positional relationship between the own vehicle and the other vehicle, both vehicles can arrive at equal time. There was a problem that the waiting position could not be set.

The present invention has been made in order to solve such a problem, and an own vehicle and another vehicle determine an appropriate position where they meet or join based on position information of both obtained by wireless communication. It is intended to provide an in-vehicle navigation device and a navigation system which can be obtained.

[0006]

SUMMARY OF THE INVENTION A navigation device according to the present invention stores a current position detecting means for detecting a current position of the user, a communication means for receiving current position information of another person, and stores the current position information of another person. Presenting the merging position, a merging position calculating means for calculating a merging position between the self and the other person based on the current position information of the other person and the current position information of the self, And a presentation means for performing the above.

[0007] With this configuration, it is possible to display and notify the user of the merging position calculated based on the current position information of the user and the current position information of the other person.

[0008] The merging position calculating means may determine a position where the longer required time from the current time from the current position of the subject and the time required from the current position of the other person is the shortest. Was calculated.

With this configuration, it is possible to calculate a position where both the self and the other can join in a short time.

[0010] In addition, there is provided facility searching means for searching for a facility position, and the merging position calculating means sets the merging position as the facility position searched by the searching means.

With this configuration, by moving the facility existing between the self and the other as a target, the two can join together, and the waiting time until the joining can be waited at the facility or the like. Becomes

[0012] Further, there is provided facility condition input means for inputting the type of facility, and the facility means searches for the type of facility input by the facility condition input means.

[0013] With this configuration, it is possible to join at a selected facility between the self and the other person.

[0014] Further, there is provided route search means for searching for a route to the destination, wherein the route search means searches for a route to the merging position, and presents the searched route to the presenting means. .

With this configuration, the route to the merging position can also be confirmed on the display means.

Further, the route search means searches for a route to the destination via the waypoint, and searches for a route to the destination via the junction.

With this configuration, the route to the destination via the junction can also be confirmed on the display means.

Further, the communication means transmits the merging position to another person.

With this configuration, the same position as the self-combined position calculated by the user can be confirmed by another person.

Further, the navigation device of the present invention includes a current position detecting means for detecting the current position information of the self, a presenting means for presenting a merging position between the self and another person, and Communication means for transmitting and receiving the merging position is provided.

According to this configuration, the same position as the merging position calculated by another person can be confirmed by itself.

The merging position calculating means of the present invention comprises: a merging position calculating means for calculating a merging position of a plurality of pieces of position information;
And a communication unit for receiving the plurality of pieces of position information and transmitting the merged position.

Further, the merging position calculating means includes a path searching means for searching for a path from at least one of the plurality of pieces of position information to the merging position, and the communication means determines the path searched by the path searching means. I decided to send it.

With this configuration, the route to the merging position can be confirmed by each device without providing a route search to the merging position in each device that transmits position information.

Further, the navigation system according to the present invention includes a current position detecting means for detecting current position information of the navigation system,
A plurality of navigation devices having presentation means for presenting a merging position between both the self and the other, and communication means for transmitting the current position information of the self and receiving the merging position; and Merging position calculating means for calculating merging position information, and communication means for receiving respective current position information from the plurality of navigation devices and transmitting the merging position information to at least one of the plurality of navigation devices. Position calculating means, wherein the merging position calculating means calculates the merging position information using current position information of each of the plurality of navigation devices as the plurality of position information.

According to this configuration, when position information is transmitted from a plurality of navigation devices, at least one of the navigation points can be obtained without acquiring other position information with each device and calculating the merge position. It is possible to confirm with the device, and it is only necessary to communicate information with the merging position calculation device when each navigation device can communicate independently, so that it is not possible to communicate between each navigation device at the same time It does not occur that information cannot be transmitted.

[0027]

Embodiments of the present invention will be described below with reference to the drawings.

First, a vehicle navigation system according to a first embodiment of the present invention will be described.

FIG. 1 shows a configuration diagram of a vehicle-mounted navigation device according to a first embodiment of the present invention.

As shown in FIG. 1, the on-vehicle navigation device according to the first embodiment includes a road map information storage means 101 for storing road map information, a current position detection means 102 for detecting the current position of the host vehicle, and Other vehicle position storage means 103 for storing other vehicle current position information received from another vehicle
A merging position calculating means 104 for calculating a merging position based on the other vehicle current position information stored in the other vehicle position storing means 103 and the own vehicle current position information detected by the current position detecting means 102; A route search unit 105 for searching for a route to a junction based on the road map information stored in the storage unit 101, and a junction position searched for by the route search unit 105 together with the road map information stored in the road map information storage unit 101. The display device 10 displays the route and the merging position to
6 is provided. The display means 107 can present the route and the merging position by voice guidance in addition to the display on the monitor, for example.

Further, the on-vehicle navigation device includes a radio communication unit 108 for receiving the current position information of another vehicle and transmitting the merged position, and a road map information storage unit 10.
A facility search means 109 for acquiring facility information from No. 1; a facility condition input means 110 for selecting a type of facility in the facility search means 109; a destination presence / absence determination means 111 for determining whether or not a destination has been set; When a destination is not set in advance, a destination setting unit 112 for setting a junction position as a destination and a destination setting unit 113 for setting a junction position for a preset destination as a passing point are provided. Provided.

Next, the operation of the above-described on-vehicle navigation device according to the first embodiment will be described.

The current position detecting means 102 detects the current position of the own vehicle by both GPS navigation using a GPS receiver and self-contained navigation using a vehicle speed sensor and a direction sensor. The road map information storage means 101 stores road map information, gas stations, convenience stores,
Facility information such as a family restaurant, a hotel, a bank, and a post office is stored, and these are displayed on the display means 107.

FIG. 2 is a flowchart for calculating the merging position by the merging position calculating means 104 (see FIG. 1).

In this flowchart, in step R1, the current position of the own vehicle is obtained from the current position detecting means 102, in step R2, the current position of the other vehicle is obtained from the other vehicle position storage means 103, and in step R3, the own vehicle is obtained. Using the current position and the other vehicle's current position, a temporal center position where both vehicles can reach the shortest and the same time is calculated, and in step R4, a facility is selected as a condition from facilities near the temporal center position between the two vehicles. In step R5, it is determined whether or not the destination has been set. If the destination has been set, in step R6, the searched facility position is set as a junction with another vehicle. If a pass point is set using the pass point setting means 105 and the destination is not set, step R
At 7, a destination is set using the searched facility position as a junction with another vehicle. At step R8, a route to the destination is searched by using the route searching means 105. At step R9, a merge with another vehicle is performed. The point and the searched route information are transmitted to another vehicle.

FIG. 3 shows an example of the merging position calculated by the merging position calculating means 104 (see FIG. 1).

Assuming that the point where the required time is the shortest among the points at which the vehicle A and the vehicle B can arrive at the same time is the point c, the facility d near the point c is calculated as the merging position with other vehicles.
At this time, if the destination e is set, the facility d is set as a passing point. If the destination e is not set, the facility d is set as the destination.
5, a route search to each destination is performed.

As described above, according to the on-vehicle navigation device of the first embodiment, the position of another vehicle is determined by the wireless communication means 108.
And the own vehicle position is obtained by the current position detecting means 102. By the operation of the merging position calculating means 104 and the route searching means 105, the own vehicle and the other vehicle are merged in a shorter time. A meeting position or facility can be calculated, and by setting the meeting position as a passing point to the destination, a route search can be performed in consideration of the merging position.

Therefore, the own vehicle and the other vehicle can obtain an appropriate position for a meeting based on the positional information of both vehicles obtained by wireless communication.

Next, a navigation system according to a second embodiment of the present invention will be described.

The navigation system according to the second embodiment comprises a navigation device shown in FIG. 4 and a merging position calculation device 300 shown in FIG.

As shown in FIG. 4, in the navigation device, a road map information storage means 20 for storing road map information.
1 and current position detecting means 20 for detecting the current position of the vehicle
2, a merging position storage unit 204 that stores the merging position transmitted from the merging position calculation device 300, a route searching unit 205 that searches for a route to the merging position, a route to the merging position together with road map information, and a merging position. Display device 2
06, a wireless communication means 208 for transmitting the current position of the vehicle and the facility conditions and receiving the merged position, and a facility condition input means for inputting a facility type to the facility search means 309 (see FIG. 5). 210, a destination presence / absence determining means 211 for determining whether or not a destination has been set, and a case where a destination has not been set in advance,
Destination setting means 212 for setting the merging position as a destination
And a passing point setting means 213 for setting a merging position as a passing point with respect to a preset destination.

As shown in FIG. 5, the merging position calculating device 30
0, a wireless communication unit 308 that receives the current position and the facility condition from the navigation device and transmits the junction position;
Current position storage means 315 for storing the current vehicle position obtained from the wireless communication means 308 and facility condition storage means 316 for storing the facility conditions obtained from the wireless communication means 308
And road map information storage means 30 for storing road map information
1, a facility search means 309 for acquiring facility information from the road map information storage means 301, and a merge position calculating means 317 for calculating a merge position of a plurality of vehicles.

Next, the operation of the navigation system according to the second embodiment will be described.

FIG. 6 shows the exchange of information between the vehicle A 401 having the navigation device shown in FIG. 4 and the vehicle B 402 also having the navigation device, and the merging position calculating device 300 shown in FIG. The exchange of the information is performed by wireless communication using the wireless communication unit 308. The vehicle A401 and the vehicle B402 each transmit the own vehicle position to the merge position calculation unit 317, and the facility condition is transmitted by either vehicle. The merging position calculation means 317 transmits the calculated merging position to each of the vehicle A401 and the vehicle B402.

FIG. 7 shows a flowchart when the navigation device shown in FIG. 4 acquires the merge position by communicating with the merge position calculating device 300.

In this flowchart, in step S1, the current position of the own vehicle is obtained from the current position detecting means 202, and in step S2, the current position of the own vehicle is transmitted to the merge position calculating means 317, and the merge position calculating means 317 calculates the current position. The time center position between the two vehicles is determined by the wireless communication means 20.
8 is received, in step S4, it is determined using the destination presence / absence determining means 211 whether the destination is set in advance. If the destination is set, the facility location searched in step S5 is changed to another vehicle. Is set to the passing point using the passing point setting means 105 as the confluence with the above, and if the destination is not set, in step S6,
The searched facility position is set as a destination as a junction with another vehicle, and in step S8, a route to the destination is searched for using the route searching means 205.

FIG. 8 shows a merging position calculating device 300 shown in FIG.
FIG. 7 shows a flowchart when calculating the merging position between the vehicle A401 and the vehicle B402 shown in FIG.

In this flowchart, in step T1, the current position of the vehicle A401 is obtained from the wireless communication means 308, and in step T2, the current position of the vehicle B402 is obtained from the wireless communication means 308. The temporal center position which can be reached in the shortest time and the same time is calculated. In step T4, a facility of the type selected as a condition among the facilities near the temporal center position between the two vehicles is searched.
The facility searched in step 4 is transmitted to the vehicle A311 and the vehicle B312 using the wireless communication means 308 as the merging position.

As described above, according to the second embodiment,
Even if there is no means to calculate the temporal center position between vehicles in the in-vehicle navigation device of the own vehicle, it is possible to calculate an appropriate waiting position or facility by communicating with the merging position calculation device, and as a passing point to the destination By setting the waiting position, a route search can be performed in consideration of the merging position. Therefore, an appropriate position where the own vehicle and the other vehicle merge can be obtained based on the position information of both vehicles obtained by wireless communication.

[0051]

As described above, according to the present invention, in order for the own vehicle and the other vehicle to merge in a shorter time, an appropriate queuing position or a proper queuing position is determined based on the position information of both vehicles obtained by wireless communication. By calculating the facilities and setting a meeting point as a passing point to the destination, a route search considering the merging position can be performed, so that the own vehicle and other vehicles can use the position information of both acquired by wireless communication. To
You can get the right position to meet. Also,
Even if the in-vehicle navigation device itself does not have a means for calculating an appropriate waiting position, the above-described effect can be obtained by communicating with a merging position calculating device that calculates an appropriate waiting position.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an on-vehicle navigation device according to a first embodiment of the present invention;

FIG. 2 is a diagram showing a flowchart when a merging position is calculated by a merging position calculating unit;

FIG. 3 is a diagram illustrating an example of a merging position calculated by a merging position calculating unit;

FIG. 4 is a configuration diagram of a navigation device included in the navigation system according to the second embodiment;

FIG. 5 is a configuration diagram of a merging position calculation device included in the navigation system according to the second embodiment;

FIG. 6 is a diagram showing exchange of information performed between two vehicles having a navigation device and a merging position calculation device.

FIG. 7 is a diagram showing a flowchart when the navigation device acquires a merge position by communicating with the merge position calculating device.

FIG. 8 is a view showing a flowchart when the merging position calculating device calculates a merging position between the vehicle A and the vehicle B;

[Explanation of symbols]

 101, 201, 301 Road map information storage means 102, 202 Current position detection means 103 Other vehicle position storage means 104 Merging position calculation means 105, 205 Route search means 107, 207 Display means 106, 206 Display devices 108, 208, 308 Radio Communication means 109, 309 Facility search means 110, 210 Facility condition input means 111, 211 Destination presence / absence determination means 112, 212 Destination setting means 113, 213 Pass point setting means 204 Merging position storage means 315 Current position storage means 316 Facility conditions Storage unit 317 Merging position calculating unit 300 Merging position calculating device

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2C032 HB21 HB22 HC27 HC31 HD12 2F029 AA02 AB01 AB07 AC02 AC09 5H180 AA01 BB04 CC12 FF04 FF05 FF22 FF27 FF38

Claims (11)

[Claims] 1. a current position detecting means for detecting a current position of the user; a communication means for receiving current position information of another person; another position storing means for storing current position information of another person; The current position information and the current position information of the self based on the merging position calculation means for calculating the merging position between the self and the other, based on the presenting position presenting means characterized by comprising Navigation device. 2. The merging position calculating means determines a position where the longer required time from the current time from the current position of the self and the time required from the current position of the other person is the shortest. 2. The method according to claim 1, wherein
A navigation device as described. 3. The facility according to claim 1, further comprising facility search means for searching for a facility position, wherein said merge position calculating means sets the merge position as the facility position searched by the search means. A navigation device as described. 4. The navigation according to claim 3, further comprising facility condition input means for inputting the facility type, wherein the facility means searches for the facility type input by the facility condition input means. apparatus. 5. A route search unit for searching for a route to a destination, wherein the route search unit searches for a route to the merging position, and presents the searched route to the presentation unit. The navigation device according to any one of claims 1 to 4, wherein 6. The method according to claim 5, wherein said route search means searches for a route to a destination via a stopover, and searches for a route to the destination via said junction. Navigation device. 7. The navigation device according to claim 1, wherein the communication unit transmits the merging position to another person. 8. A current position detecting means for detecting current position information of the user, a presenting means for presenting a merging position between the self and another person, transmitting the current position information of the self and the merging position And a communication means for receiving the information. 9. A merging position, comprising: merging position calculating means for calculating a merging position of a plurality of pieces of position information; and communication means for receiving the plurality of position information and transmitting the merging position. Calculation means. 10. A route search unit for searching for a route from at least one of the plurality of pieces of position information to the junction position, wherein the communication unit transmits a route searched by the route search unit. The merging position calculating means according to claim 9. 11. A current position detecting means for detecting own current position information, a presenting means for presenting a merging position between both the self and the other person, and transmitting the self current position information and the merging position A plurality of navigation devices having communication means for receiving the, the merging position calculation means to calculate the merging position information of the plurality of position information, and receives the current position information of each from the plurality of navigation devices,
And a communication means for transmitting the merging position information to at least one of the plurality of navigation devices.The merging position calculating device calculates the current position information of each of the plurality of navigation devices by the plurality of navigation devices. The in-vehicle navigation system, wherein the merging position information is calculated as the position information of the vehicle.